5.1 ר ( )
( , , ).
, . , 3- .
, . . 100%.
m1 = 100 ( - 2) / (1 - 2)
m1 - ( );
- ;
1 - ;
2 - .
.
= (1 m1 + 2 m2 + + n mn): Σ m,
1, 2, n - ;
m1, m2 mn , %.
. . 32%, 25% 23%. , 26%.
.
25% (26%). 27%, .. , 26%.
( 32%). : m1 =100(27 25) / (32 25) = 28,6%
28,6%, 100% - 28,6% = 71,4%.
( 23%) ( ) 27%, 23% , . . m(1+2) = 100 (26 23): (27 23) = 75,0%.
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m3 = 100% - 75,0% = 25,0%. , 75,0% 25% .
28,6% , 75,0% 75 × 28,6/100 = 21,5%; 75,0% - 21,5% = 53,5%.
. (32 × 21,5 + 25 × 53,5 + 23 × 25):100 = 26,0%..
1. 25%, 20, 22, 29%
______________________________________________________________________________________
2. 0,85%, 0,61, 0,77 1,02%.
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2. .
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5.2
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m m1 ();
W (%).
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